Title:Diseño de una manta biodegradable de tipo experimental para la conservacion de taludes en la región del Tundama en el departamento de Boyacá - Colombia / Design of a biodegradable blanket of experimental type for the conservation of slopes from the analysis and evaluation of agricultural organic waste in the region of the Tundama in the Boyacá department
Title:De aprendices a maestros: la regulación de la formación artesanal en Buenos Aires a fines de siglo XVIII / De aprendizes a mestres: a regulação da formação artesanal em Buenos Aires no final do século XVIII / From apprentices to masters: regulation of handcrafted education in Buenos Aires at the end of XVIII century